Even if two cars perform the same amount of work one car can still have more power

Yes this is true because it also depends on the condition of the car, the tires, and the way you drive it!

the match duh

explanation:

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

: -)